Circulating steam jet construction



Aug. 18, 1931. Q. JAcoBsEN 1,818,979

cIRcULATING STEAM .JET CONSTRUCTION Filed om. 31, 1930 2 sheets-sheen 2INVENTOR Patented Aug. 18, 1931 STATES PATENT or-FICEN OYSTEIN JACOBSEN,OF DAYTON, OHIO, ASSIGNOR TO THE DURIRON COMPANY, INC.,

A CORPORATION OF NEW YORK CIRCULATNG- STEAM JET CONSTRUCTION Applicationfiled October 31, 1930. Serial No. 492,442.

The invention relates to steam jet constructions, particularly suitablefor embodiment in alloys, such as high silicon iron, which are highlyresistant to commercial @i acids abrasion and the wire-drawing action ofsteam, but is not limited to materials of this character. The objects ofthe invention are the provision of a construction in which the steam jetelement is readily reand which is not liable to leak even after anextended period of service. One embodiment of the invention isillustrated in the accompanying drawings, wherein:

Figure l is a side elevation partly in section. Figs. 2 and 3 are detailviews of the casing member, Fig. 2 being a plan view and Fig. 3 avertical section. Figs. 4 and 5 are detail views of the replaceable jetmember. And Figs. 6 and 7 are detail views of onehalf of the split glandmember.

Referring to the drawings, 1 is the jet casing member g 2 is the jetmember; 3 is the riser pipe; 4 is the gland member secured to the casingmember by the bolts 5; and 6 is the packing in the gland preferably inthe form of asbestos rope rings.

The casing member 1 is provided with the usual transverse passage laltapering as shown and with the socket 1b opening into such passage andhaving an annular shoulder S. The jet member 2 is provided with a flange7 which rests upon the shoulder, the shoulder being provided with anotch 9 (Fig. 3) and the flange with a lug 10 (Fig. 5) that interengageand insure that the j et member shall occupy its proper position withrespect to the casing member when these parts are assembled. Theengaging surfaces on the flange 7 and shoulder 8 are finished smooth andtrue to insure sealing contact.

The riser pipe 3 has welded to one end the flange 11 and to the otherend the flange 12, the latter being perforated to receive the bolts bvmeans of which the flange is clamped to the flange of the next sectionof pipe. The flange l1 is ground true and smooth to engage a similarground surface on the upper face of the flange 7 and so insurera tightjoint at this point.

placeable, which is of simple construction,

As indicated in Fig. 6, the gland member l is made of two similar halfsections, such sections having overlapping perforated flanges with theperforations 13 to receive the clamping bolts 5. lVhen these bolts 5 aretightened, the packing 6 is compressed against the flange 1l of theriser pipe forcing this flange tightly against the flange V7. Thetightening of the bolts thus compresses the packing so that it performsits sealing function and also insures proper sealing contact between theflanges 7 and l1.` The making of the gland member in two separable partspermits the use of the riser pipe having the flanges 11 and l2 securedto its ends in a 65 permanent -way thus insuring against leakage betweenthe periphery of the pipe and the flanges.A .l

lVhen accurately made, the construction will operate indefinitely.without leakage. rlhe only part requiring replacement inservice is thejet member 2, and this replacement is readily made due to theconstruction as illustrated and described. This reduces the cost ofreplacements to a minimum, which is an important consideration withexpensive alloys whose fitting surfaces must be finished by grinding,which still further adds to their cost. l/Vhat I claim is:

1- In combination in a steam jet construction, a casing member having atransverse passage, and a socket opening into said passage at rightangles thereto, a shoulder or ledge formed in the casing member aroundsaid socket, a jet member seated in said socket having its end turnedlaterally and provided with a flange engaging said shoulder, a riserpipe having a flange at its lower end also lying in the socket inopposition to the flange on the jet member, a gland member surroundingthe riser pipe and extending into the upper end of the socket, packingbetween the lower end of the gland member and the flange on the riserpipe, and clamping means for forcing the gland member down against thepacking and holding it in such position.

2. In combination in a steam jet construction, a casing member having atransverse passage, and a socket opening into said passage at rightangles thereto, a shoulder or ledge formed in the casing member aroundsaid socket, a et member seated in said socket having its end turnedlaterally and provided with a flange engaging said shoulder, a riserpipe having a flange at its lower end also lying in the socket inopposition to the fi'ange on the jet member, a gland member surroundingthe riser pipe and extending into the upper end of the socket, packingbetween the lower end of the gland member and the flange on the riserpipe, and clamping means for forcing the gland member down against thepacking and holding it in such position, said shoulder and the flangeonl the jet member y being provided with an interengaging groove and lugfor fixing the position of the end of the jet member with respect to thetransverse passage through the casing member.

3. In combination in a steam jet construction, a casing member having atransverse passage, and a socket opening into said passage at rightangles thereto, a shoulder or ledge formed in the casing member aroundsaid socket, a j et member seated in said socket having its end turnedlaterally and provided with a flange engaging said shoulder, a riserpipe having a flange at its lower end also lying in the socket inopposition to the flange on the jet member, a gland member surrounding'the riser pipe and extending into the upper end of the socket, packingbetween the lower end of the glandmember and the flange on the riserpipe, and clamping means for forcing the gland member vdown against thepacking and hold-ing it in such position, the

Y opposing surfaces of the shoulder in the casing and the flange on thejet member, and the opposing surfaces on the lower end of the fiange onthe riser pipe and on the flange on the jet member being finished smoothand true to insure sealing contacts.

In testimony whereof, I have hereunto subscribed my name this 27th dayof October,

